Affiliation: | 1. College of Resources and Environment, Qingdao Agricultural University, , Qingdao, 266109 Shandong Province, China;2. Institute of Forestry, Chinese Academy of Forestry, , Beijing, 100091 China;3. Institute of Desertification Studies, Chinese Academy of Forestry, , Beijing, 100091 China;4. College of Life Sciences, Qingdao Agricultural University, , Qingdao, 266109 Shandong Province, China |